Tire tread



FIG. 1 is a front perspective view of a tire tread;

FIG. 2 is a front elevational view of the tire tread of FIG. 1;

FIG. 3 is a side elevational view of the tire tread of FIG. 1; and,

FIG. 4 is an enlarged front elevational view of the tired tread of FIG. 2.

The broken lines are included for the purpose of illustrating portions of the tire tread that form no part of the claimed design. 

CLAIM The ornamental design for a tire tread, as shown and described. 